import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)

const routes = [
  // 重定向
  { path: '/', redirect: '/login' },
  { path: '/login', component: () => import('../components/Login.vue') },
  { path: '/home/:username', component: () => import('../components/Home.vue'), redirect: '/welcome', children: [{ path: '/welcome', component: () => import('../components/Welcome.vue') }, { path: '/users', component: () => import('../components/user/Users.vue') }, { path: '/rights', component: () => import('../components/power/Rights.vue') }, { path: '/roles', component: () => import('../components/power/Roles.vue') }, { path: '/categories', component: () => import('../components/goods/Cate.vue') }, { path: '/params', component: () => import('../components/goods/Params.vue') }, { path: '/goods', component: () => import('../components/goods/List.vue') }, { path: '/goods/add', component: () => import('../components/goods/Add.vue') }, { path: '/goods/edit/:id', component: () => import('../components/goods/Edit.vue') }, { path: '/orders', component: () => import('../components/order/Order.vue') }, { path: '/reports', component: () => import('../components/report/Report.vue') }] }
]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to: 将要访问的路径
  // from: 代表从哪个路径跳转而来
  // next: 是一个函数，表示放行
  // next() 放行   next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
